#!/usr/bin/env python
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import sys
import os
import string

import rospy

# imports the MuxAdd service 
from topic_tools.srv import MuxAdd

USAGE = 'USAGE: mux_add MUX_NAME TOPIC'

def call_srv(m, t):
    # There's probably a nicer rospy way of doing this
    s = m + '/add'
    print("Waiting for service \"%s\""%(s))
    rospy.wait_for_service(s)
    print("Adding \"%s\" to mux \"%s\""%(t, m))
    try:
        srv = rospy.ServiceProxy(s, MuxAdd)
        return srv(t)
    except rospy.ServiceException as e:
        print("Service call failed: %s"%e)

def usage():
    return "%s "%sys.argv[0]

if __name__ == "__main__":
    args = rospy.myargv()
    if len(args) != 3:
        print(USAGE)
        sys.exit(1)

    m = args[1]
    t = args[2]
    call_srv(m, t)
